// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#pragma once

#include <memory>

#include <turbo/base/macros.h>

namespace nebula {
namespace util {
namespace tracing {

class TURBO_EXPORT SpanDetails {
 public:
  virtual ~SpanDetails() {}
};

class TURBO_EXPORT Span {
 public:
  Span() noexcept;
  /// True if this span has been started with START_SPAN
  bool valid() const;
  /// End the span early
  void reset();
  std::unique_ptr<SpanDetails> details;
};

}  // namespace tracing
}  // namespace util
}  // namespace nebula
